added sat(x,low,high) function
added nearest_color function and handle [0,1] range of Colors.rgb values
added sat(x,low,high) function
more flexible to/from string conversion, added Polynomial._repr_latex_ method
improved Color and Polynomial
1.7.2
1.7.2
handle Excel numeric format differently
avg and var aliases for mean and variance
to_date now acceptsa list of fmt to try.
footer produced by total now stored for default html output
1.7.2
improved Table